28267004

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{10691}}^1$

素因数の和:11356

約数の個数: 12

約数和(自身を含む): 49546728

約数和(自身を除く): 21279724

約数列:

[1, 2, 4, 661, 1322, 2644, 10691, 21382, 42764, 7066751, 14133502, 28267004]

約数ペア:

[(1, 28267004), (2, 14133502), (4, 7066751), (661, 42764), (1322, 21382), (2644, 10691)]